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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostics & Symptom Tests) >> Circuit Tests >> Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [07/2015 - 08/2016] >> Procedure

Display Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter [07/2015 - 08/2016]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the H98 radio receiver assembly connector.
    2. Disconnect the H175 No. 1 stereo jack adapter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H98-6 (VV+) - H175-8 (VV+) Always Below 1 Ω
      H98-14 (VV-) - H175-9 (VV-) Always Below 1 Ω
      H98-6 (VV+) - Body ground Always 10 kΩ or higher
      H98-14 (VV-) - Body ground Always 10 kΩ or higher
      H98-13 (SG) - Body ground Always 10 kΩ or higher

    Result:  OK

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE [07/2015 - 08/2016]

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR